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Finding the Fourth Proportional to 160,352.75, 240,458.01 and 85,458.93

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Solution

The fourth proportional to 160,352.75, 240,458.01 and 85,458.93 is: 128,150.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,352.75 : 240,458.01 = 85,458.93 : x
  2. Step 2: Convert to fraction form
    160,352.75/240,458.01 = 85,458.93/x
  3. Step 3: Cross multiply
    160,352.75x = 240,458.01 × 85,458.93
  4. Step 4: Simplify right side
    160,352.75x = 20,549,284,244.53
  5. Step 5: Solve for x
    x = 20,549,284,244.53/160,352.75
  6. Step 6: Final answer
    x = 128,150.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.